TW202235298A - Vehicle air-conditioning system and vehicle air-conditioning auxiliary system capable of increasing the oxygen content in a cab space and automatically turning off an air intake function of an auxiliary air duct when air quality outside a vehicle is not good - Google Patents

Abstract

The present invention relates to a vehicle air-conditioning system and a vehicle air-conditioning auxiliary system. The vehicle air-conditioning auxiliary system includes an air-conditioning auxiliary duct mechanism, an external environment sensor and a control unit. The air-conditioning auxiliary duct mechanism includes an auxiliary air duct installed in the vehicle and communicating with the outside of the vehicle and a cab space, and a fan installed in the auxiliary air duct. The external environment sensor detects the external environment to generate an external environment signal. The control unit controls the fan to stop or reverse rotation when determining that the external environmental signal meets unfavorable environmental conditions. Therefore, the present invention can indeed increase the oxygen content in the cab space when the air conditioner of the vehicle is in operation, so as to help resolve the oxygen deficiency problem of the conventional vehicle air conditioning system for an in-vehicle circulation mode being set on for an extended period of time, and the present invention can automatically turn off an air intake function of the auxiliary air duct when it is determined that the air quality outside the vehicle is not good.

Description

Vehicle air conditioning system and vehicle air conditioning auxiliary system

The present invention relates to an air-conditioning system, in particular to a vehicle air-conditioning system and a vehicle air-conditioning auxiliary system for vehicles.

The vehicle air conditioning system is an essential device for vehicles with a closed compartment structure at present. It can be used to adjust the ambient temperature in the compartment, such as providing a cool or warm compartment temperature. In order to maintain a stable ambient temperature in the compartment, the vehicle air conditioning system is Usually, the windows of the vehicle are closed tightly, and the vehicle air-conditioning system is maintained in the circulation mode in the vehicle, but there is a safety problem in the use of such a vehicle air-conditioning system. When the car air-conditioning system is maintained in the circulation mode in the car for a period of time, especially during long-distance driving, the oxygen concentration in the car will gradually decrease. This decrease in oxygen concentration will easily cause the driver's spirit to deteriorate and concentration to decrease. And Yi Zhao had a traffic accident.

It is therefore an object of the present invention to provide a vehicle air-conditioning system which ameliorates at least one of the disadvantages of the prior art.

Therefore, the vehicle air conditioning system of the present invention is suitable for being installed in a vehicle, and includes an air duct mechanism, a blower, an auxiliary damper, an external environment sensor, and a control unit.

The air duct mechanism includes a main air duct for setting on the vehicle, and an auxiliary air duct connected to the main air duct and communicating with the outside world. The main air duct has an external air intake for communicating with the outside world. end, and an inner air intake end and an air outlet end for communicating with the compartment space of the vehicle. The blower is installed in the main air duct and can be controlled and activated to generate air flow from the outer air intake end, the inner air intake end and the auxiliary air duct to the air outlet end in the main air duct . The auxiliary air door is installed on the auxiliary air duct, and can be controlled to change between a closed state for sealing the auxiliary air duct, and an open state for connecting the auxiliary air duct to the outside world and the main air duct.

The external environment sensor is installed outside the vehicle and can be used to sense external environmental parameters to generate an external environmental signal correspondingly. The signal of the control unit is connected to the auxiliary air door and the vehicle external environment sensor, which can be used to control and start the blower, and will control the switching of the auxiliary air door when the external environmental parameters corresponding to the external environmental signal are analyzed and judged to meet an unfavorable environmental condition to the off state.

Another object of the present invention is to provide a vehicle air conditioning auxiliary system that can improve at least one of the disadvantages of the prior art.

Therefore, the vehicle air-conditioning auxiliary system of the present invention is suitable for being installed in a vehicle, and the vehicle includes a vehicle body having a compartment space, and a vehicle air-conditioning system arranged on the vehicle body. The vehicle air-conditioning auxiliary system includes at least one air-conditioning auxiliary pipe mechanism, an external environment sensor, and a control unit. The at least one air-conditioning auxiliary duct mechanism includes an auxiliary air duct installed on the vehicle body and communicating with the outside of the vehicle body and the compartment space, and a fan installed in the auxiliary air duct. When the fan is controlled to rotate forward, it will pump air to the compartment space through the auxiliary air duct, and when the fan is controlled to rotate in reverse, it will pump air from the compartment space to the outside of the vehicle.

The external environment sensor is installed outside the vehicle and can be used to sense external environmental parameters to generate an external environmental signal correspondingly. The control unit signal is connected to the fan and the vehicle exterior environment sensor, and will control the fan to stop operating or control the fan to reverse when the external environment parameter corresponding to the vehicle exterior environment signal is analyzed and judged to meet an unfavorable environmental condition.

The effect of the present invention is: through the design of the vehicle air-conditioning system and the vehicle air-conditioning auxiliary system, the outside air can be provided at any time or in good time during the air-conditioning cycle in the vehicle, and the oxygen content in the compartment space can be increased, which helps to improve The air-conditioning system of a traditional vehicle has the problem of hypoxia caused by the internal circulation mode being turned on for a long time, and when it is judged that the air quality outside the vehicle is not good, the air intake function of the auxiliary air duct can be automatically turned off.

Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same numerals.

Referring to FIGS. 1 , 2 and 3 , a first embodiment of a vehicle air conditioning system 100 of the present invention is suitable for being installed on a vehicle (not shown in the figure) and can be electrically connected to a switch system 906 of the vehicle. The vehicle air conditioning system comprises an air duct mechanism 1, a main damper 21 installed on the air duct mechanism 1, an auxiliary damper 22, a blower 31, a cooler 32, a warmer 33, a cooling unit 41, a heating The unit 42 is connected with a filter unit 43 , a vehicle external environment sensor 6 , and a control unit 44 .

The air duct mechanism 1 includes a main air duct 11 installed on the vehicle and used to connect the compartment space of the vehicle with the outside world, and an auxiliary air duct 12 connected to the main air duct 11 and connected to the outside world. The main air duct 11 has an outer air intake end 111 for communicating with the outside world to inhale air, an inner air intake end 112 for communicating with the compartment space for inhaling air, and an inner intake end 112 for communicating with the compartment space. The air outlet end 113 to discharge air.

The main damper 21 is installed on the main air duct 11, and can be controlled by the control unit 44 to be in a state of internal circulation that closes the outer air intake end 111 and does not close the inner air intake end 112, and a closed air intake end 112. The inner air intake end 112 is switched between the outer circulation state without closing the outer air intake end 111 . The auxiliary damper 22 is installed on the auxiliary air duct 12 and can be switched between a closed state for sealing the auxiliary air duct 12 and an open state for not sealing the auxiliary air duct 12 by controlling the control unit 44 .

The blower 31 , the cooler 32 and the warmer 33 are all installed in the main air duct 11 , the blower 31 can be controlled and started by the control unit 44 , and the main air duct 11 generates a flow through the cooler. 32 and the warmer 33 , and discharge the airflow into the cabin space 902 through the air outlet end 113 . The cooler 32 can cool the passing air, and the warmer 33 can increase the temperature of the passing air. Since there are many types of the blower 31 , the cooler 32 and the warmer 33 , and they are not the focus of the improvement of the present invention, they will not be described in detail. In the first embodiment, the auxiliary air pipe 12 communicates with the section of the main air pipe 11 between the blower 31 and the desuperheater 32 .

When the main damper 21 is in the internal circulation state, the blower 31 will suck the air in the cabin space through the inner air intake end 112 of the main air duct 11 to generate the airflow. In the external circulation state, the blower 31 sucks the outside air through the external air intake end 111 to generate the airflow. In addition, when the auxiliary air door 22 is in the open state, the auxiliary air duct 12 is in communication with the outside world, and the action of the blower 31 will also suck in the outside air through the auxiliary air duct 12, and the main air duct 11 will generate the said airflow.

The filter unit 43 , the cooling unit 41 and the heating unit 42 are installed in the auxiliary air duct 12 . The filter unit 43 can be used to filter pollutants in the air entering the auxiliary air duct 12 from the outside, such as but not limited to dust, pollen and germs. The cooling unit 41 can be used for pre-cooling the air sucked by the auxiliary air duct 12 . The heating unit 42 can be used for preheating the air sucked by the auxiliary air duct 12 . Since there are many types of the cooling unit 41 and the heating unit 42, such as evaporators or electrothermal cooling wafers, etc., the cooling unit 41 and the heating unit 42 are not described in detail, and the above-mentioned aspects are not used for implementation. limit.

The external environment sensor 6 is installed outside the vehicle and can be used to sense external environmental parameters and generate an external environmental signal correspondingly. The external environment parameters are, for example but not limited to, the concentration of suspended particulates PM2.5 in the air, the concentration of oxygen and the air temperature. Since the external environment sensor 6 used for sensing the above-mentioned external environment parameters is in the prior art and there are many types, it will not be described in detail.

The control unit 44 is signal-connected to the main damper 21, the auxiliary damper 22, the blower 31, the cooler 32, the warmer 33, the cooling unit 41, the heating unit 42 and the external environment sensor 6, and can be used It is electrically connected to the switch system 906 .

The control unit 44 has built-in an external circulation mode and an internal circulation mode which can be operated and activated. When the internal circulation mode is activated, it will control the main damper 21 to switch to the internal circulation state, and then switch to the internal circulation mode. When the car is in the external circulation mode, the main damper 21 will be controlled to switch to the external circulation state. When the control unit 44 activates any of the above modes, the user can select to operate the control unit 44 to activate the cooler 32 or the warmer 33 at the same time, so as to provide cool air or warm air to the cabin space. Since controlling the switch state of the main damper 21 and controlling the activation of the lower temperature device 32 and the temperature increaser 33 are all prior art, they will not be described in detail.

The control unit 44 can also be used to control the auxiliary damper 22 to switch between the closed state and the open state, and when controlling the auxiliary damper 22 to switch to the open state, it can be further operated to activate the cooling unit 41 or the heating unit 42.

In addition, the control unit 44 is also built with an unfavorable environmental condition corresponding to the type of the external environment sensor 6 . When the environmental sensor 6 outside the vehicle is used to sense the suspended particulate PM2.5, the unfavorable environmental condition is a predetermined concentration value corresponding to the suspended particulate PM2.5, and the control unit 44 will analyze the external environmental signal corresponding to When the external environmental parameter is greater than or equal to the predetermined concentration value, it is determined that the external environmental parameter meets the unfavorable environmental condition. When the external environmental sensor 6 is used to sense the oxygen concentration, the unfavorable environmental condition is a predetermined oxygen concentration value corresponding to the oxygen concentration, and the control unit 44 will analyze the external environmental parameter corresponding to the external environmental signal less than When it is equal to the predetermined oxygen concentration value, it is determined that the external environment parameter meets the unfavorable environmental condition. When the external environment sensor 6 is used to sense air temperature, and the unfavorable environmental condition is a predetermined high temperature value and a predetermined low temperature value, the control unit 44 will analyze the external environment parameter corresponding to the external environment signal greater than When it is equal to the predetermined high temperature value or less than or equal to the predetermined low temperature value, it is determined that the external environment parameter meets the unfavorable environmental condition.

When the vehicle air-conditioning system of the present invention is installed on the vehicle for use, the control unit 44 will be triggered when the switch system 906 is energized to start, and control the external environment sensor 6 to start sensing and generating the external environmental signal, and will start Analyzing and judging whether the external environment parameter corresponding to the external environment signal conforms to the unfavorable environmental condition. The control unit 44 will control and start the blower 31 when judging that the external environment parameters do not meet the unfavorable environmental conditions, that is, when the air quality outside the vehicle is good, and control the auxiliary damper 22 to switch to the open state, so that the auxiliary air duct 12 can suck the outside air in the main air duct 11 during the operation of the blower 31, and supplement oxygen to the cabin space at any time. When the control unit 44 analyzes and judges that the external environmental parameters meet the unfavorable environmental conditions, it will control the auxiliary damper 22 to switch to the closed state, so that the auxiliary air duct 12 cannot be used to assist in providing outside air. In addition, the driver can operate the control unit 44 to select to activate the external circulation mode or the internal circulation mode, and select to activate the cooler 32 and the warmer 33, through the main air duct 11 and the blower 31, And the cooler 32 or the warmer 33 to regulate the temperature of the air in the car.

It must be noted that, the above-mentioned power-on states of the switch are, for example but not limited to, the following states. State (1): the electric door system 906 of the vehicle is opened by the car key; state (2) the engine start button or power start button of the vehicle is operated to make the electric door system 906 energized and started; state (3) the vehicle is running The computer wirelessly senses the signal of the chip key to power on the electric door system 906 to start; (4) The trip computer detects that the car door is opened and makes the electric door system 906 to be powered on to start.

Referring to FIG. 4 , a second embodiment of the vehicle air-conditioning system of the present invention differs from the first embodiment in that: the structural design of the air duct mechanism 1 . In the second embodiment, the auxiliary air duct 12 is connected to the section of the main air duct 11 between the temperature increaser 33 and the temperature decreaser 32 .

Referring to Fig. 5, 7, 9, a first embodiment of the vehicle air-conditioning auxiliary system 700 of the present invention is suitable for being installed on a vehicle body 901 of a vehicle 900, and is electrically connected with a switch system 906 of the vehicle 900 , the vehicle air conditioning system 903 has a plurality of air-conditioning exhaust ports 905 and a plurality of internal circulation air intakes 904 connected to a compartment space 902 of the vehicle body 901. For the convenience of description, only part of the air-conditioning exhaust ports are shown in the figure 905 and internal circulation air inlet 904. The vehicle air-conditioning system 903 can be controlled to switch between an in-vehicle circulation mode and an out-vehicle circulation mode. When switching to the in-vehicle circulation mode, it will suck the interior of the compartment space 902 through the internal circulation air inlet 904 The air is processed for filtering, temperature adjustment, etc., and the treated air is discharged into the compartment space 902 through the air-conditioning outlet 905 .

The vehicle air-conditioning auxiliary system 700 includes an air-conditioning auxiliary pipe mechanism 81 for installing on the vehicle body 901, an external environment sensor 83 for installing on the outside of the vehicle body 901, and an external environment sensor 83 for installing on the vehicle body 901. The control unit 82 in the body 901 and the signal connection of the air-conditioning auxiliary pipe mechanism 81 and the external environment sensor 83 .

6, 7, 9, the air-conditioning auxiliary duct mechanism 81 includes an auxiliary air duct 811 installed on the vehicle body 901, a fan 814 installed in the auxiliary air duct 811, a filter unit 815, a cooling The unit 816 , a heating unit 817 and an auxiliary damper 818 , and the fan 814 , the cooling unit 816 , the heating unit 817 and the auxiliary damper 818 are signally connected to the control unit 82 .

The auxiliary air duct 811 has an outer communication end 812 for communicating with the outside world, and a plurality of inner communication ends 813 for communicating with the compartment space 902 . During implementation, the openings of the inner communication ends 813 of the auxiliary air duct 811 can be respectively arranged on the sides of the air-conditioning exhaust outlets 905 (as shown in FIG. 7 ), for example, on the side adjacent to the driver's seat and the passenger seat. Next to the air-conditioning exhaust outlet 905, the air discharged into the compartment space 902 through the auxiliary air ducts 811 can be quickly mixed with the air-conditioning gas discharged from the air-conditioning exhaust outlet 905 and dispersed in the compartment space 902 . Alternatively, the openings of one or more of the internal communication ends 813 of the auxiliary air duct 811 are respectively arranged on the sides of the internal circulation air inlets 904 of the vehicle air conditioning system 903 (as shown in FIG. 8 ), so that The air discharged into the compartment space 902 through the aforementioned auxiliary air duct 811 can be immediately inhaled by the corresponding internal circulation air inlet 904 of the vehicle air-conditioning system 903 for air-conditioning treatment, and then passed through the air-conditioning exhaust port 905 discharge. However, during implementation, the installation positions of the internal communication ends 813 are not limited to the above-mentioned configuration, and can be installed at any position exposed in the compartment space 902 .

In the first embodiment, the auxiliary air duct 811 has multiple internal communication ends 813 , but in practice, in other embodiments of the present invention, the auxiliary air duct 811 may only have one inner communication end 813 .

The fan 814 , the filter unit 815 , the cooling unit 816 and the heating unit 817 are arranged along the lengthwise direction of the auxiliary air duct 811 . The fan 814 can be controlled by the control unit 82 to rotate forward and reversely. When the fan 814 is controlled to rotate forward, it will pump air to the compartment space 902 through the auxiliary air duct 811. When the fan 814 is controlled to rotate backward , air will be pumped from the compartment space 902 to the outside of the vehicle body 901 . The filter unit 815 filters the passing air, for example, to filter out dust or other harmful substances in the air. The cooling unit 816 can be activated by the control unit 82 to lower the temperature of the passing air. The heating unit 817 can be activated by the control unit 82 to heat the passing air. Since the filter unit 815 can filter air, the temperature of the air that can be adjusted by the cooling unit 816 and the heating unit 817 is known in the art and there are many types, so it will not be described in detail.

The auxiliary damper 818 is installed on the outer communication end 812 of the auxiliary air duct 811, and can be controlled by the control unit 82, and in a closed state of closing the outer communication end 812, and one makes the outer communication end 812 communicate with the outside world. switch between the on states. Since there are many types of the auxiliary damper 818 for openably closing the pipe port, such as but not limited to an electric control valve, and it is not the focus of the improvement of the present invention, it will not be described in detail.

The function of the external environment sensor 83 is the same as that of the external environment sensor 6 used in the vehicle air-conditioning system 100 , so it will not be described in detail.

The control unit 82 is used to electrically connect the switch system 906, and will be triggered when the switch system 906 is energized to start, and control the outside environment sensor 6 to start sensing and generating the outside environment signal, and analyze and judge the outside environment. When the environmental parameters do not match the unfavorable environmental conditions, that is, when the air quality outside the vehicle is good, the auxiliary damper 818 is controlled to switch to the open state, and the fan 814 is controlled to rotate forward, and the external air is pumped into the auxiliary air duct 811 through the auxiliary air duct 811. The compartment space 902 is used to supplement the compartment space 902 with oxygen. When the control unit 82 analyzes and judges that the external environmental parameters meet the unfavorable environmental conditions, it will control the fan 814 to stop running or reverse, and when it is designed to control the reverse rotation of the fan 814, it will control the auxiliary damper 818 at the same time Maintain the open state, so as to discharge the air in the compartment space 902 out of the car; and when it is designed to control the fan 814 to stop running, it will control the auxiliary damper 818 to switch to the closed state at the same time, so as to prevent the outside air from entering the compartment space Inside 902.

The power-on state of the switch system 906 is the same as that described above, and will not be repeated here.

In addition, it must be noted that in this first embodiment, the vehicle air-conditioning auxiliary system 700 only includes one air-conditioning auxiliary pipe mechanism 81, but it can also be designed to include A plurality of air-conditioning auxiliary pipe mechanisms 81, and these air-conditioning auxiliary pipe mechanisms 81 are all connected to the control unit 82 by signal, and the control unit 82 is triggered by the power-on of the switch system 906, and the analysis determines that the external environment parameters do not meet the requirements. When the environmental conditions are good, the fan 814 of the air-conditioning auxiliary pipe mechanism 81 of the control part rotates forward, and the fan 814 of the air-conditioning auxiliary pipe mechanism 81 of the remaining part is controlled to reverse, by sucking the outside air into the compartment space 902, and the The air in the compartment space 902 is exhausted outside the vehicle to accelerate the ventilation or heat dissipation of the compartment space 902 .

Referring to Figures 10 and 11, a second embodiment of the vehicle air-conditioning auxiliary system 700 of the present invention differs from the first embodiment in that it also includes a vehicle interior environment sensor 84 for installation in the compartment space 902 .

In the second embodiment, the control unit 82 is also connected to the vehicle interior environment sensor 84 by signal, and can also be used for signal connection to the vehicle air-conditioning system 903 to control the operation of the vehicle air-conditioning system 903 .

The vehicle interior environment sensor 84 can be used to sense the cabin environment parameters in the cabin space 902 and correspondingly generate a vehicle interior environment signal, such as but not limited to oxygen concentration, carbon dioxide concentration, carbon monoxide concentration, suspended dust Concentration etc. The control unit 82 also aims at the type of the environment sensor 84 in the vehicle, which is correspondingly built with a bad cabin environment condition, and will analyze and judge whether the cabin environment parameter corresponding to the vehicle interior environment signal meets the bad cabin environment condition .

When the control unit 82 analyzes and judges that the external environment parameter corresponding to the external environment signal does not conform to the unfavorable environmental condition, and analyzes and determines that the cabin environment parameter corresponding to the vehicle interior environment signal conforms to the unfavorable cabin environment condition, it will generate a Control the vehicle air-conditioning system 903 to start the control signal of the vehicle external circulation mode, and control the fan 814 to reverse. That is to say, when the air quality outside the vehicle is good, but the air quality inside the vehicle is not good, the vehicle air conditioning auxiliary system 700 will exhaust the air in the compartment space 902, and control the vehicle air conditioning system 903 to draw in the air outside the vehicle, so as to improve The air quality in the cabin space 902 .

To sum up, through the auxiliary air duct 12 of the air duct mechanism 1 of the vehicle air conditioning system 100, the auxiliary damper 22 installed on the auxiliary air duct 12 and the external environment sensor 6 installed outside the vehicle design, and the design of the auxiliary air duct 811, the fan 814, the auxiliary damper 818 and the external environment sensor 83 installed outside the vehicle 900 of the vehicle air conditioning auxiliary system 700, so that the corresponding control unit 44, 82 When judging that the air outside the vehicle does not meet the unfavorable environmental conditions, the design that can be used to assist the provision of air outside the vehicle to the space 902 in the vehicle can indeed provide air outside the vehicle at any time or in good time during the cycle of the air-conditioning in the vehicle, thereby improving the quality of the vehicle compartment. The oxygen content in the space 902 is helpful to improve the oxygen deficiency problem caused by the long-time in-vehicle circulation mode of the traditional vehicle air-conditioning system. And the control unit 44, 82 will control the auxiliary damper 22, 818 installed in the corresponding auxiliary air duct 12, 811 to switch to the closed state, or control The fan 814 in the auxiliary air duct 811 is stopped or reversed to prevent the outside air from polluting the air quality in the cabin space 902 .

In addition, the vehicle interior environment sensor 84 is arranged in the compartment space 902, and the control unit 82 analyzes and judges that the exterior environment signal does not conform to the unfavorable environment condition, and the interior environment signal conforms to the unfavorable compartment condition. Under environmental conditions, control the vehicle air-conditioning system 903 to start the external circulation mode of the vehicle, and control the design of the fan 814 to reverse, which can be used to perform rapid ventilation of the compartment space 902 in a timely manner, so as to quickly improve the air quality in the vehicle.

Therefore, the vehicle air-conditioning system 100 and the vehicle air-conditioning auxiliary system 700 of the present invention can indeed provide outside air at any time or in good time during the air-conditioning cycle in the vehicle, and increase the oxygen content in the compartment space 902, which helps to improve The lack of oxygen caused by the traditional vehicle air conditioning system turning on the internal circulation mode for a long time can automatically close the air intake function of the auxiliary air duct 12 and 811 when it is judged that the air quality outside the vehicle is not good, so it is indeed a very innovative and Practical creation, and really can reach the purpose of the present invention.

But the above-mentioned ones are only embodiments of the present invention, and should not limit the scope of the present invention. All simple equivalent changes and modifications made according to the patent scope of the present invention and the content of the patent specification are still within the scope of the present invention. Within the scope covered by the patent of the present invention.

100:Vehicle air conditioning system 1: Duct mechanism 11: Main air duct 111: Outer air intake end 112: Inner intake end 113: Air outlet end 12: Auxiliary air duct 21: Main damper 22: Auxiliary damper 31: Blower 32: cooler 33: Heater 34: Filter unit 41: cooling unit 42: Heating unit 43: Filter unit 44: Control unit 6: External environment sensor 700: Vehicle air conditioning auxiliary system 81: Auxiliary pipe mechanism of air conditioner 811: Auxiliary duct 812: external connection end 813: internal connection end 814: fan 815: filter unit 816: cooling unit 817: heating unit 818: Auxiliary damper 82: Control unit 83: External environment sensor 84: In-vehicle environment sensor 900: vehicle 901: Hull 902: compartment space 903: Vehicle air conditioning system 904: Internal circulation air inlet 905: Air conditioner exhaust port 906: switch system

Other features and effects of the present invention will be clearly presented in the implementation manner with reference to the drawings, wherein: Fig. 1 is a structural schematic diagram of a first embodiment of the vehicle air-conditioning system of the present invention, and illustrates the situation when a main damper is switched to an external circulation state, an auxiliary damper is switched to a closed state, and a warmer is not activated; Fig. 2 is a view similar to Fig. 1, and illustrates the situation when the main damper is switched to an in-vehicle circulation state, the auxiliary damper is switched to an open state, and the warmer is activated; Fig. 3 is a functional block diagram of the first embodiment; FIG. 4 is a schematic structural diagram of a second embodiment of the vehicle air conditioning system of the present invention; Fig. 5 is an incomplete side sectional schematic view of a first embodiment of the vehicle air-conditioning auxiliary system of the present invention installed in a vehicle; Figure 6 is a partially enlarged view of Figure 5; Fig. 7 is an incomplete perspective view of the first embodiment of the auxiliary air-conditioning system for a vehicle when a plurality of internal communication ends of an auxiliary air duct are respectively arranged beside a plurality of air-conditioning exhaust ports of the vehicle; Fig. 8 is an incomplete schematic diagram of the first embodiment of the vehicle air-conditioning auxiliary system when one of the internal communication ports is arranged on the side of an internal circulation air intake of the vehicle; Fig. 9 is a functional block diagram of the first embodiment of the vehicle air conditioning auxiliary system; Fig. 10 is a functional block diagram of a second embodiment of the vehicle air conditioning auxiliary system of the present invention; and FIG. 11 is an incomplete perspective view of the second embodiment of the vehicle air conditioning auxiliary system installed in a vehicle.

700: Vehicle air conditioning auxiliary system

814: fan

816: cooling unit

817: heating unit

818: Auxiliary damper

82: Control unit

83: External environment sensor

906: switch system

Claims (12)

A vehicle air conditioning system, suitable for installation in a vehicle, comprising: An air duct mechanism, including a main air duct for setting on the vehicle, and an auxiliary air duct connected to the main air duct and communicating with the outside world, the main air duct has an external inlet for communicating with the outside world an air end, and an inner air intake end and an air outlet end for communicating with a compartment space of the vehicle; A blower, installed in the main air duct, can be controlled and activated to generate a flow in the main air duct from the outer air intake end, the inner air intake end, and the auxiliary air duct to the air outlet end. airflow; an auxiliary air door installed on the auxiliary air duct, which can be controlled to change between a closed state for sealing the auxiliary air duct, and an open state for connecting the auxiliary air duct to the outside world and the main air duct; An external environment sensor is installed on the outside of the vehicle and can be used to sense external environmental parameters to generate an external environmental signal correspondingly; and A control unit, the signal is connected to the auxiliary air door and the vehicle external environment sensor, which can be used to control and start the blower, and will control the auxiliary air door when the external environmental parameters corresponding to the external environmental signal of the vehicle are analyzed and judged to meet an unfavorable environmental condition Switch to this off state. The vehicle air-conditioning system as described in claim 1, wherein the external environment parameter sensed by the external environment sensor is the concentration of fine suspended particulates PM2.5 in the air, and the control unit will analyze the external environmental signal of the vehicle When the external environment parameter is greater than or equal to a predetermined concentration value, it is determined that the external environmental signal meets the unfavorable environmental condition. The vehicle air-conditioning system as described in claim 1, wherein the external environment parameter sensed by the external environment sensor is oxygen concentration, and the control unit will analyze the external environment signal of the external environment signal to be less than or equal to a predetermined oxygen When the concentration value is determined, it is judged that the environmental signal outside the vehicle meets the unfavorable environmental condition. The vehicle air-conditioning system as described in Claim 1, wherein, the external environment parameter sensed by the vehicle external environment sensor is air temperature, and the control unit will analyze the external environment parameter of the vehicle external environment signal to be greater than or equal to a predetermined high temperature value or less than or equal to a predetermined low temperature value, it is judged that the environmental signal outside the vehicle meets the unfavorable environmental condition. The vehicle air-conditioning system as described in claim 1 is also suitable for signal connection to an electric door system of the vehicle, wherein the control unit will be triggered when the electric door system is powered on, so as to drive the external environment sensor to sense The environmental signal outside the vehicle, and when it is judged that the environmental signal outside the vehicle does not meet the unfavorable environmental conditions, control to start the blower, and control the auxiliary damper to switch to the open state. A vehicle air conditioning auxiliary system is suitable for being installed in a vehicle, the vehicle includes a car body with a compartment space, the vehicle air conditioning auxiliary system includes: At least one air-conditioning auxiliary pipe mechanism including, an auxiliary air duct, which is installed on the vehicle body and communicates with the outside of the vehicle body and the compartment space, and A fan installed in the auxiliary air duct, when it is controlled to rotate forward, it will pump air to the compartment space through the auxiliary duct, and when it is controlled to reverse, it will pump air from the compartment space to the outside of the vehicle ; An external environment sensor is installed on the outside of the vehicle and can be used to sense external environmental parameters to generate an external environmental signal correspondingly; and A control unit, the signal is connected to the fan and the external environment sensor, and will control the fan to stop or control the fan to reverse when the external environmental parameters corresponding to the external environmental signal are analyzed and judged to meet an unfavorable environmental condition. The vehicle air-conditioning auxiliary system according to claim 6, wherein the at least one air-conditioning auxiliary duct mechanism further includes an auxiliary damper installed on the auxiliary duct, and the auxiliary damper can be controlled to close the auxiliary duct When the control unit determines that the external environmental parameters corresponding to the external environmental signal meet the unfavorable environmental conditions, and controls the fan to stop operating, it will control the auxiliary air duct. The damper switches to this closed state. The vehicle air-conditioning auxiliary system as described in claim 6 or 7, wherein the external environment parameter sensed by the vehicle external environment sensor is the concentration of fine suspended particles PM2.5 in the air, and the control unit will analyze the external environment parameter of the vehicle When the external environmental parameter of the environmental signal is greater than or equal to a predetermined concentration value, it is determined that the external environmental signal meets the unfavorable environmental condition. The vehicle air-conditioning auxiliary system as described in claim 6 or 7, wherein the external environment parameter sensed by the external environment sensor is oxygen concentration, and the control unit will analyze the external environment signal of the external environment signal to be less than or equal to When a predetermined oxygen concentration value is reached, it is judged that the environmental signal outside the vehicle meets the unfavorable environmental condition. The vehicle air-conditioning auxiliary system as described in claim 6 or 7, wherein the external environment parameter sensed by the vehicle external environment sensor is air temperature, and the control unit will analyze the external environment parameter of the vehicle external environment signal to be greater than or equal to When a predetermined high temperature value is equal to or less than a predetermined low temperature value, it is determined that the environmental signal outside the vehicle meets the unfavorable environmental condition. The vehicle air-conditioning auxiliary system as described in claim 6 is also suitable for signal connection to an electric door system of the vehicle. The vehicle air-conditioning auxiliary system includes a plurality of the air-conditioning auxiliary pipe mechanisms, and the control unit is signal-connected to the air-conditioning auxiliary pipes. The fan of the mechanism can be used to connect the switch system with a signal. The control unit will be triggered when the switch system is powered on, and drive the external environment sensor to sense the external environment signal, and judge the external environment of the vehicle. When the environmental signal does not meet the unfavorable environmental conditions, control some of the fans to rotate forward, and control the rest of the fans to reverse. As for the vehicle air-conditioning auxiliary system described in Claim 6, the vehicle also includes a vehicle air-conditioning system arranged on the vehicle body, and the vehicle air-conditioning auxiliary system also includes a vehicle interior environment sensor for setting in the compartment space The vehicle interior environment sensor can be used to sense the cabin environment parameters to generate a vehicle interior environment signal correspondingly, and the control unit is also signal-connected to the vehicle interior environment sensor and used for signal connection to the vehicle air-conditioning system, When analyzing and judging that the external environmental parameters corresponding to the external environmental signal of the vehicle do not conform to the unfavorable environmental conditions, and analyzing and judging that the compartment environmental parameters corresponding to the internal environmental signal of the vehicle conform to an unfavorable compartment environmental condition, a function for controlling the vehicle will be generated. The air-conditioning system activates a control signal of the external circulation mode of the vehicle, and controls the fan to reverse.

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